{"ok":true,"demo":true,"endpoint":"/v1/x402/category_gap_report","sample_input":{"min_payers":0,"limit":10},"sample_output":{"ok":true,"category_gaps":[],"build_recommendation":"ship deeper wallet-history dataset"},"paid_url":"https://x402-market-intel-mcp.mtree.workers.dev/v1/x402/category_gap_report"}